Louisiana CDL Hazmat study materials
Louisiana CDL Hazmat study resources

Louisiana CDL Hazmat study guide

Louisiana CDL Hazmat · Work through your exam, one topic at a time.

The Louisiana CDL Hazardous Materials endorsement (the "H" endorsement) is added to a Louisiana commercial driver's license so the holder can legally drive a vehicle carrying hazardous materials that requires placarding, or a cargo tank hauling hazardous materials. It is aimed at working and prospective commercial drivers - tank-vehicle operators, LTL and linehaul drivers, fuel and chemical haulers, and warehouse or yard drivers who move regulated loads on public roads. The Louisiana CDL Hazmat study guide has 5 sections and about 1,761 words.

01

Hazardous Materials Regulations, Communication Rules, and Incident Reporting

This domain tests whether you can read, carry, and explain hazardous materials communication documents and know when a release becomes a reportable incident. The federal Hazardous Materials Regulations govern the shipping paper, emergency response information, markings, labels, and placards.

386 words, about 2 min
02

Loading, Unloading, and Segregation of Hazardous Materials

This domain tests loading, unloading, and segregation: keeping incompatible materials apart, securing packages, and controlling the scene while cargo is handled. The key federal rule is the segregation table in 49 CFR 177.848, which uses X, O, and star entries.

328 words, about 2 min
03

Bulk Packages, Tank Vehicles, and Cargo Tank Operations

This domain tests bulk packages, tank vehicles, and cargo tank operations. A bulk package is generally one with capacity greater than 119 gallons for a liquid, greater than 882 pounds for a solid, or greater than 1,000 pounds water capacity for a gas.

356 words, about 2 min
04

Driving and Parking Rules for Hazardous Materials, Including Tunnels and Railroad Crossings

This domain tests driving and parking decisions for hazardous materials, including tunnel restrictions and railroad crossings. The exam wants you to know when a placarded load may park, when attendance is required, and when a stop at tracks or a tunnel restriction applies.

353 words, about 2 min
05

Hazardous Materials Emergencies, Spills, and First Response

This domain tests first response to hazmat emergencies: spills, leaks, fires, and unknown materials. The exam expects scene safety, correct notification, and use of the Emergency Response Guidebook before anyone tries to stop the leak.

338 words, about 2 min